knucklehead
noun/ˈnʌkl̩ˌhɛd/
Etymology From knuckle + head.
1
Derogatory, Slang An idiot; a stupid or inept person.
- Don't stick that screwdriver into the live electrical outlet, you knucklehead!
- Derived terms
- knuckleheaded, knuckleheadery, knuckleheadish
- Related terms
- knuckle